????,??????!???????????……

????:?????????:??????????

????????,??2??15???????:????????2?4?????????????????????,?? “?”,??????!

???????????????????????????,???????,2?????????????12?????18??,???????????????“???????????????”?

???,???????????????????????:??????????,??,?????????

???????? | ?

?????,??????????????????????????????????????????

????????????????????????????

????,??????,?????

?,?????????0???60?????,????????????????????????????????,??????????????

????,???????,??75%?????

??,???????

????,???

????????????(??????18?????)??????????????(????????2448?????)???????????????????(???????25??,?????????23????????????)???(?????060???????)????????(??624???,???????????????)????????????

??,??????,????:

????????

??????????????????????????????????

????,????,????????

??????,???????????

????????,???????

??????,????????,??????1?????????3???????????????????,???????????????

??,??????????

?????,??????

???????,??,??

??????????????????

?????????«??»,??????????????????????????????????,??????

???????????????????????

???????????????????,????????,???????????,???;

???(?????????????????????????)??????????5000mg/L~10000mg/L??,?????,???????????????????????30??,???????????????;

???????????,?????????????;

?????????;??????????????

????????

????,?????????????;???????????????,??????1000mg/L????30?????,???????????????????

???????

????????????,?????????????????????500mg/L??30??;?????????30???????????,?????,???

??????

?(?????????????????????????????)????,????????30??????,???????500mg/L???,?????30??????,??????

????????????????

?????,???????????,?????0.5%?3??????????;?????0.1%??

????????

???????

??

???????????????????

????????????????????????????????,??????????????20???????????????

?????????????????

??,??????????,???

??????????

???????

??????????,????,????????

????????,??????????????

?

??3??????????,???????,?????

????????:

?

??????????????

???

?????????????

???(????)

?????????????

???????????? ??????? ????????????? “??????”?????

?????:??????????????